weaning
Conditions
Interventions
ATRC group:SBT using ATRC mode
CPAP group:SBT using CPAP mode
PSV group:SBT using PSV mode
Sponsors
Central People's Hospital of Zhanjiang
Eligibility
Sex/Gender
All
Age
18 Years to 75 Years
Inclusion criteria
Inclusion criteria: 1: Meet the conditions for conducting SBT: a. The primary disease is under control; b. Respiratory rate = 35 beats/min;c. Adequate oxygenation is defined as at least 90% (a small amount of inhaled oxygen [FIO2] = 40%, PEEP = 8cmH2O) or at least 150 PaO2/FIO2 (PEEP = 8cmH2O);d. Adequate coughing;e. Awakening state, defined as the Richmond Agitation and Sedation Scale (RASS) -2 to+1;f. Do not use continuous sedatives; g. Do not use vasopressors (or use the minimum dose) Can pass the 3-minute SBT screening test, which, like the SBT method, only conducts a 3-minute tolerance test. Patients with positive screening results will officially enter the trial stage;patients with negative screening results will be re screened 24 hours later to determine whether they have entered the trial phase. 2: The patient actively cooperates with all tests. 3: Informed consent from the patient's family.
Exclusion criteria
Exclusion criteria: 1: The condition is unstable and the SBT conditions have not been met yet 2: The patient is unwilling to cooperate with the examination 3: Patient and family members do not agree to the trial
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Peak expiratory flow;Diaphragm excursion;Diaphragm excursion-time index;End inspiratory thickness of diaphragm;End expiratory thickness of diaphragm;Diaphragm thickening rate; | — |
Countries
China
Contacts
Public ContactShiliang Ke
Central People's Hospital of Zhanjiang
Outcome results
None listed